1. The organelle that contains the cell's DNA is the:
A) mitochondria.
B) Golgi apparatus.
C) ribosome.
D) nucleus.
2. When a cell gets injured, the first sign is:
A) a biochemical lesion.
B) an area of hyperplasia.
C) a chromatid.
D) cellular necrosis.
3. An extrinsic factor that can cause cell aging and death is:
A) Down's syndrome.
B) sickle cell anemia.
C) ultraviolet radiation.
D) person's advanced age.
4. Homeostasis can be defined as:
A) a steady, dynamic state.
B) a state of flux.
C) an unbalanced state.
D) an exaggeration of an original response.
Answer Key
D
A
A